US7684935B2 - Fiber cable cutting device - Google Patents

Fiber cable cutting device Download PDF

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Publication number
US7684935B2
US7684935B2 US11/925,223 US92522307A US7684935B2 US 7684935 B2 US7684935 B2 US 7684935B2 US 92522307 A US92522307 A US 92522307A US 7684935 B2 US7684935 B2 US 7684935B2
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United States
Prior art keywords
cutter
sensor
borne sound
fiber cable
cutter blades
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US11/925,223
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English (en)
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US20080110310A1 (en
Inventor
Carsten Voigtländer
Matthias Strebe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Assigned to OERLIKON TEXTILE GMBH & CO. KG reassignment OERLIKON TEXTILE GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: STREBE, MATTHIAS, VOIGTLANDER, CARSTEN
Publication of US20080110310A1 publication Critical patent/US20080110310A1/en
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Publication of US7684935B2 publication Critical patent/US7684935B2/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G1/00—Severing continuous filaments or long fibres, e.g. stapling
    • D01G1/02—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form
    • D01G1/04—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/38—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0033—Cutting members therefor assembled from multiple blades
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/141—With means to monitor and control operation [e.g., self-regulating means]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/263—With means to apply transient nonpropellant fluent material to tool or work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup

Definitions

  • the invention relates to a device for cutting a fiber cable.
  • a device of the generic type for cutting a fiber cable is known from patent application EP 0 305 057 A2.
  • a fiber cable is guided through between two rolling wheels.
  • One of the wheels here which functions as a cutter carrier, has a plurality of cutter blades whose cutting edges are oriented perpendicularly with respect to the running direction of the fiber cable.
  • the function of the second wheel is to press the fiber cable against the cutting edges so that the fiber cable is cut into a plurality of small sections.
  • the rotational axes of the cutter carrier and of the pressing wheel are oriented in parallel so that the two wheels roll on their external circumference.
  • the cutting edges of the cutter blades are arranged tangentially here.
  • laid-open patent application DE 102 42 553 A1 discloses a different orientation of a pressing wheel compared to the cutter carrier, in which orientation the axes intersect at an acute angle.
  • the end faces of the pressing wheel and of the cutter carrier roll, while the cutting edges of the cutter blades are arranged radially here.
  • the fiber cable is guided through between the end faces and cut into pieces.
  • patent application EP 0 305 057 A2 proposes a force measuring device by means of which the force acting between the cutter blade and a pressing wheel is measured. Provided that there is a significant correlation between the measured force and the wear of the cutting edges it is thus possible to monitor the wear state of the cutting edges.
  • the axis of the pressing wheel is mounted in a rocker which moves in the pressing direction.
  • the pressing force is conducted directly through a force measuring sensor which is arranged in the force flux and measures the pressing force.
  • An object of the invention is therefore to make available a simple and effective measuring device for the arrangement of the cutter carrier and pressing wheel which is shown in DE 102 42 553 A1 which detects the wear on the cutting edges.
  • the cutter carrier is connected to a sensor system which is formed from one or more structure-borne sound sensors which sense the structure-borne sound emitted during the cutting process.
  • Structure-borne sound is understood to refer to transient sound waves which propagate in the component. Sound waves are excited by a sudden release of energy as a result of the cutting process of the individual filaments of the fiber cable. This cutting process of the filaments causes the emission of structure-borne sound in a typical frequency spectrum. If the quality, in particular the sharpness of the cutting blade, then changes owing to wear or the shape of the cutting edge due to partial fractures, this has an influence on the emitted structure-borne sound which also changes in its energy distribution in the frequency spectrum.
  • the advantage of the invention is that the sensor can be installed easily without it having to be provided directly or indirectly in the force flow. Instead, it is sufficient if the sensor is connected to the cutter blades in a way which conducts structure-borne sound well.
  • an oscillation sensor which converts the mechanical oscillations into electrical signals, in particular in the high frequency range, is suitable for the measurement of structure-borne sound.
  • one or more structure-borne sound sensors are therefore connected directly to the cutter carrier. Provided that there is a connection to the cutter blades which conducts structure-borne sound well, the structure-borne sound which is emitted by the cutting process can therefore be sensed.
  • a sensor is assigned to each cutter blade. This permits a connection between the cutter blade and sensor which conducts structure-borne sound well owing to the spatial proximity and the sensor.
  • a variable signal can be particularly well detected by an individual cutter blade in this way.
  • one sensor is assigned to a group of cutter blades. This permits a significantly lower degree of expenditure on sensors.
  • a common sensor is assigned to the cutter carrier, which sensor monitors all the cutter blades simultaneously.
  • This embodiment variant makes use of the fact that during operation only some of the cutter blades are involved in the cutting process at one time, as a result of which a sufficiently precise measurement is nevertheless possible.
  • One advantageous embodiment of the invention provides for the structure-borne sound sensor or sensors to be connected to an evaluation system.
  • This evaluation system monitors the signal of the structure-borne sound sensor or sensors for features which occur in the case of wear on the cutting edges or in the case of a fracture in a cutter blade.
  • a method for monitoring the state of the cutter blades of a previously described device by means of a structure-borne sound sensor comprises, after measurement of the structure-borne sound, firstly the extraction of a characteristic variable which represents the cutting process.
  • the characteristic variable which is particularly suitable for this becomes apparent only from the design of the cutter carrier and the arrangement of the structure-borne sound sensor or sensors and can be determined experimentally by a person skilled in the art of signal processing.
  • the frequency ranges whose signal strength changes with increasing abrasive wear or as a result of small, partial notches in the cutter blades are to be sought.
  • the characteristic variables which are formed in this way for example the signal power within a specific frequency band, is compared continuously with the comparison value or comparison range and a fault is signaled when there are deviations.
  • the characteristic value of previous measurements which are to be assigned to the same cutter blade are used as a comparison value.
  • This characteristic value can be formed, for example, from the mean value of the measurements. In this way it is possible to detect long term changes in the cutting characteristic.
  • the characteristic value or the mean value from the characteristic values of previous measurements which are to be assigned to one or more earlier revolutions of the cutter carrier is used as a comparison value. In this way it is possible, for example when there is a periodic fluctuation in the characteristic value in synchronism with the rotational speed of the cutter carrier, to conclude that there is a fracture in a cutting edge.
  • the measurement signal is obtained in each case from a sensor which is assigned to each cutter blade.
  • the measurement signal is obtained in each case from a sensor which is assigned to a group of cutter blades.
  • the measurement signal is obtained from one sensor which is assigned to the entire cutter carrier.
  • FIG. 1 shows a device for continuously cutting a fiber cable
  • FIG. 2 shows an alternative embodiment of the device of FIG. 1 .
  • FIG. 1 shows a device according to the invention for continuously cutting a fiber cable.
  • the device is composed of a cutter carrier 1 and a pressing wheel 2 which interacts with the cutter carrier 1 .
  • the cutter carrier 1 has a plurality of cutter blades 3 for cutting the fiber cable.
  • the fiber cable (not shown here) is guided in the fiber cable duct 7 between the pressing wheel 2 and cutter carrier 1 , with the pressing wheel 2 pressing the fiber cable against the cutter blades 3 by means of a pressing face 6 .
  • the cutter carrier 1 and pressing wheel 2 are essentially co-axial but are arranged with their axes at an acute angle to one another, mounted rotatably on a common carrier 4 .
  • a drive device causes the cutter carrier 1 which is driven by the drive 5 and the pressing wheel 2 to rotate synchronously. Owing to this arrangement, the end faces of the cutter carrier 1 and of the pressing wheel 2 roll on one another and interact with one another. Through another arrangement of the axes with respect to one another it is also possible, for example, for the circumferential face and end face or else for both end faces to roll on one another.
  • the fiber cable is introduced into the fiber cable duct 7 at a freely accessible location.
  • the fiber cable is pressed against the cutter blades 3 by the pressing face 6 , as a result of which the fiber cable is cut into a plurality of sections whose length corresponds to the distance between the cutter blades 3 .
  • the sections which are cut in this way fall downward through an opening 8 and are fed to further processing means.
  • the cutter blades 3 are in direct contact here with one sensor 9 each, or in an alternative embodiment with a sensor 9 which is assigned to a plurality of cutter blades 3 .
  • the sensors 9 each have a connecting line 10 and said connecting lines 10 are combined in a distributor box 11 and connect to a connecting line 12 .
  • the sensors 9 together form the sensor system 16 .
  • the signals of the sensor system 16 are passed on to an evaluation system 17 for signal processing.
  • FIG. 2 illustrates an alternative embodiment of the device. For the sake of simplification, reference is made here only to the differences from the device illustrated in FIG. 1 .
  • the sensor system 16 is formed here by an individual central sensor 13 which senses the structure-borne sound of all the cutter blades 3 which are involved in the cutting process at a particular time and passes on the sensor signals via the connecting line 15 to the evaluation system 17 for signal processing.
  • the sensor 13 is provided here at a certain distance from the cutter blades 3 , it is favorable within the sense of propagation of structure-borne sound to connect it to the cutter blades 3 without damping components.
  • the advantage of this embodiment is that here only a single structure-borne sound sensor is used. In order, nevertheless, to ensure a high degree of sensitivity, disruptive structure-borne sound from other sources, such as for example roller bearings, is screened by a damping sleeve 14 .

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
US11/925,223 2005-04-26 2007-10-26 Fiber cable cutting device Expired - Fee Related US7684935B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE200510019263 DE102005019263A1 (de) 2005-04-26 2005-04-26 Faserkabel-Schneidvorrichtung
DE102005019263.7 2005-04-26
DE102005019263 2005-04-26
PCT/EP2006/003674 WO2006114242A1 (de) 2005-04-26 2006-04-21 Faserkabel-schneidvorrichtung

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/003674 Continuation WO2006114242A1 (de) 2005-04-26 2006-04-21 Faserkabel-schneidvorrichtung

Publications (2)

Publication Number Publication Date
US20080110310A1 US20080110310A1 (en) 2008-05-15
US7684935B2 true US7684935B2 (en) 2010-03-23

Family

ID=36593003

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/925,223 Expired - Fee Related US7684935B2 (en) 2005-04-26 2007-10-26 Fiber cable cutting device

Country Status (5)

Country Link
US (1) US7684935B2 (de)
EP (1) EP1877603B1 (de)
CN (1) CN101180421B (de)
DE (2) DE102005019263A1 (de)
WO (1) WO2006114242A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10656335B2 (en) 2018-07-18 2020-05-19 International Business Machines Corporation Cleaving fibers of differing composition

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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DE202008014792U1 (de) * 2008-11-07 2010-03-25 Qass Gmbh Vorrichtung zum Bewerten von Zerspanungsprozessen
DE102009011860A1 (de) * 2009-03-05 2010-09-09 Weber Maschinenbau Gmbh Breidenbach Vorrichtung und Verfahren zur Einstellung eines Schneidspalts an einer Schneidvorrichtung
DE102011119719A1 (de) * 2011-11-30 2013-06-06 GEA CFS Bühl GmbH Verfahren zum Aufschneiden eines Lebensmittelriegels unter Verwendung eines Schwingungssensors
CN103149108B (zh) * 2013-01-09 2016-04-13 南通纺织职业技术学院 纱线定长截取装置
DE202013008594U1 (de) * 2013-09-27 2015-01-09 Weil Engineering Gmbh Schneid- oder Stanzwerkzeug
DE102014110106B4 (de) 2014-07-18 2016-07-21 TRüTZSCHLER GMBH & CO. KG Vorrichtung und Verfahren zum Ermitteln des Zustandes der Messer an einer Faserschneidvorrichtung
CN104614270B (zh) * 2015-01-29 2017-02-22 大连理工大学 一种单束纤维切削实验方法
DE102015104330B3 (de) * 2015-03-23 2016-07-21 TRüTZSCHLER GMBH & CO. KG Vorrichtung zum Schneiden von Stapelfasern
DE102016119859A1 (de) * 2015-10-23 2017-04-27 Oerlikon Textile Gmbh & Co. Kg Stapelfaserschneidmaschine zur Herstellung von Stapelfasern
DE102016217072A1 (de) 2016-09-08 2018-03-08 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Systemeinheit zum Ermitteln eines Verschleißzustandes eines Schneidmessers

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DE3627796C1 (en) 1986-08-16 1987-10-22 Klaus Dipl-Ing Nordmann Device for monitoring the state and breakage of rotating tools by means of measurements of structure-borne sound
US4758964A (en) 1985-04-26 1988-07-19 Fried. Krupp Gesellschaft Mit Beschrankter Haftung Method and apparatus for monitoring machine parts
US4771665A (en) 1987-08-28 1988-09-20 Lummus Industries, Inc. Blade quality monitor
DE4023663A1 (de) 1989-07-31 1991-02-07 Siemens Ag Verfahren zur diagnose der mechanischen eigenschaften von maschinen, die rotierende bauteile aufweisen
DE4116345A1 (de) 1991-05-18 1992-11-19 Rhein Westfael Tech Ueberwach Verfahren zur schadensfrueherkennung
US6176166B1 (en) * 1997-03-13 2001-01-23 Wella Aktiengesellschaft Electric hair cutting machine with an automatic oil lubricating device
DE19950215A1 (de) 1999-10-19 2001-06-13 Argotech Ges Fuer Mestechnik M Verfahren zur Zustands-, Verschleiß- und Bruchüberwachung eines bewegten Maschinenteils sowie Vorrichtung zur Durchführung des Verfahrens
DE10242553A1 (de) 2001-09-25 2003-04-10 Neumag Gmbh & Co Kg Vorrichtung zum Schneiden eines Faserkabels
US6701055B2 (en) * 2001-05-28 2004-03-02 Sony Corporation Apparatus and method for cutting plastic optical fiber

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US4758964A (en) 1985-04-26 1988-07-19 Fried. Krupp Gesellschaft Mit Beschrankter Haftung Method and apparatus for monitoring machine parts
DE3627796C1 (en) 1986-08-16 1987-10-22 Klaus Dipl-Ing Nordmann Device for monitoring the state and breakage of rotating tools by means of measurements of structure-borne sound
US4771665A (en) 1987-08-28 1988-09-20 Lummus Industries, Inc. Blade quality monitor
EP0305057A2 (de) 1987-08-28 1989-03-01 Lummus Industries, Inc. Vorrichtung zum Schneiden von gedehnten Fasern
DE4023663A1 (de) 1989-07-31 1991-02-07 Siemens Ag Verfahren zur diagnose der mechanischen eigenschaften von maschinen, die rotierende bauteile aufweisen
DE4116345A1 (de) 1991-05-18 1992-11-19 Rhein Westfael Tech Ueberwach Verfahren zur schadensfrueherkennung
US6176166B1 (en) * 1997-03-13 2001-01-23 Wella Aktiengesellschaft Electric hair cutting machine with an automatic oil lubricating device
DE19950215A1 (de) 1999-10-19 2001-06-13 Argotech Ges Fuer Mestechnik M Verfahren zur Zustands-, Verschleiß- und Bruchüberwachung eines bewegten Maschinenteils sowie Vorrichtung zur Durchführung des Verfahrens
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US6758121B2 (en) 2001-09-25 2004-07-06 Neumag Gmbh & Co. Kg Device for cutting a fiber cable

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International Search Report for PCT/EP2006/003674, completed Jul. 7, 2006, and mailed Jul. 18, 2006.
Overzier, DE-19950215 A1, Jun. 13, 2001, English translation. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10656335B2 (en) 2018-07-18 2020-05-19 International Business Machines Corporation Cleaving fibers of differing composition

Also Published As

Publication number Publication date
DE102005019263A1 (de) 2006-11-09
EP1877603A1 (de) 2008-01-16
US20080110310A1 (en) 2008-05-15
WO2006114242A1 (de) 2006-11-02
EP1877603B1 (de) 2010-06-02
CN101180421A (zh) 2008-05-14
CN101180421B (zh) 2012-05-23
DE502006007099D1 (de) 2010-07-15

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